Windows 11 のライセンス認証を行う場合は、「 Windows のライセンス認証を行う」を参照してください。

Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

Microsoft アカウントに関連付けられているメール アドレスと電話番号は エイリアスと呼ばれ、同じ連絡先、オンライン ストレージ、サブスクリプション、アカウント設定を使用します。

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you.

Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.

New or classic Outlook for Windows desktop apps Classic Outlook for Windows is a desktop app included with Microsoft 365 Personal or Family subscriptions or non-subscription versions of Office such as Office Home & Business. New Outlook for Windows is available free on Windows devices or as a free download.If you don't already have new Outlook, you can download it from the Microsoft Store ...

Designed by media lovers for media lovers. Windows Media Player 12—available as part of Windows 7, Windows 8.1, and Windows 10*—plays more music and video than ever, including Flip Video and unprotected songs from your iTunes library!

Note: If you have a current version of Microsoft 365, then you can input the formula in the top-left-cell of the output range, then press ENTER to confirm the formula as a dynamic array formula. Otherwise, the formula must be entered as a legacy array formula by first selecting the output range, input the formula in the top-left-cell of the output range, then press CTRL+SHIFT+ENTER to confirm it.

Whether you’re creating a new document or working on an existing one, Copilot can help you move forward. In a new, blank document or upon creating new line in an existing document, the Draft with Copilot experience appears.. The description you provide can be a simple sentence or a more complex request with outlines, notes, or referenced files that you want Copilot to use.

Note : Once you've signed in, Skype will remember your sign in information when you close Skype or sign out and choose to remember your account settings. If you don't have a Skype or Microsoft account: Visit Skype.com from your browser and download Skype.